/* 中间地图容器中的图片 */
.center-chart-img-one {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 30rem;
    opacity: 0.3;
}

.center-chart-img-two {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 40rem;
    opacity: 0.5;
    animation: rotate 60s linear infinite;
    z-index: -10;
}

.center-chart-img-three {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 33rem;
    opacity: 0.7;
    animation: rotate1 30s linear infinite;
}

@keyframes rotate {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes rotate1 {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(-360deg);
    }
}